html,
body {
  height: 100%;
}
body {
  padding-top: 45px;
  padding-bottom: 50px;
}
/*  头 */
.lt_header {
  position: fixed;
  top: 0;
  height: 45px;
  width: 100%;
  background: #0c93cb;
  text-align: center;
  padding: 10px 10px;
  z-index: 100;
}
.lt_header .lt_title {
  color: #fff;
}
.lt_header .lt_h_right {
  float: right;
  color: inherit;
}
.lt_header .lt_h_left {
  float: left;
  color: inherit;
}
/*  尾 */
.lt_footer {
  position: fixed;
  bottom: 0;
  width: 100%;
  height: 50px;
  background: #0c93cb;
  padding: 4px;
  z-index: 100px;
}
.lt_footer > a {
  width: 25%;
  text-align: center;
  float: left;
  color: #fff;
}
.lt_footer > a > p {
  color: inherit;
}
.lt_footer .active {
  color: #e66612;
}
.lt_container {
  height: 100%;
  position: relative;
}
.lt_container .pro_info {
  font-size: 18px;
  background-color: #fff;
  padding: 10px 5px;
  border-bottom: 1px solid #ccc;
}
.lt_container .pro_price {
  background-color: #fff;
  padding: 10px 5px;
  border-bottom: 1px solid #ccc;
}
.lt_container .pro_price .new_price {
  font-size: 22px;
  color: red;
}
.lt_container .pro_price .old_price {
  font-size: 14px;
  color: #666;
  text-decoration: line-through;
}
.lt_container .pro_size {
  background-color: #fff;
  padding: 10px 5px;
  border-bottom: 1px solid #ccc;
}
.lt_container .pro_size > span {
  border: 1px solid #ccc;
  display: inline-block;
  width: 25px;
  height: 25px;
  text-align: center;
  line-height: 25px;
  margin-bottom: 5px;
}
.lt_container .pro_num {
  font-size: 18px;
  background-color: #fff;
  padding: 10px 5px;
}
.lt_container .pro_num .mui-numbox {
  width: 90px;
  padding-left: 30px;
}
.lt_container .pro_num .mui-numbox .mui-numbox-btn-minus {
  width: 30px;
}
.lt_container .pro_num .mui-numbox .mui-numbox-input {
  padding: 0 !important;
  width: 28px !important;
}
.lt_container .pro_num .mui-numbox .mui-numbox-btn-plus {
  width: 30px;
}
.lt_footer_tool {
  position: fixed;
  bottom: 0;
  width: 100%;
  height: 50px;
  background-color: pink;
  padding-left: 60px;
  padding-top: 6px;
}
.lt_footer_tool > .cart_icon {
  position: absolute;
  top: 12px;
  left: 15px;
  color: #000;
  font-size: 26px;
}
.lt_footer_tool > .cart_icon > span {
  font-size: inherit;
}
.lt_footer_tool .ft_tool {
  padding-right: 10px;
}
.lt_footer_tool .ft_tool > .mui-btn {
  padding: 10px;
  width: 45%;
}
